使用 Spring 的 ResponseEntity.ok ().header 下载文件时中文乱码解决

@GetMapping("/files/{filename:.+}")

    @ResponseBody

    public ResponseEntity<Resource> serveFile(@PathVariable String filename) {

        Resource file = storageService.loadAsResource(filename);

        String[] strArr = filename.split("\\.");

        String fileNamePrefix = strArr[0];

        String fileNameSuffix = strArr[1];

        String finalFileName = null;

        try {

            finalFileName = URLEncoder.encode(fileNamePrefix,"UTF-8")+"."+fileNameSuffix;

        }catch (UnsupportedEncodingException e){

            log.info("文件名字转换异常");

            e.printStackTrace();

        }

        return ResponseEntity.ok().header(HttpHeaders.CONTENT_DISPOSITION,

                "attachment; filename=\"" + finalFileName + "\"").body(file);

    }